Electric hair trimmer



FIG. 1 is a front elevational view of an electric hair trimmer showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof, the right side being the mirror image;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view thereof. 

CLAIM The ornamental design for an electric hair trimmer, as shown and described. 